Search Results - "Chatfield, M. J."

Antioxidant Defenses in the Peripheral Cell Layers of Legume Root Nodules by Dalton, David A., Shannon L. Joyner, Becana, Manuel, Iturbe-Ormaetxe, Iñaki, Chatfield, J. Mark

“…Ascorbate peroxidase (AP) is a key enzyme that scavenges potentially harmful H2O2 and thus prevents oxidative damage in plants, especially in N2-fixing legume…”
Get full text

Fertilizer potential of liquid and solid effluent from thermophilic anaerobic digestion of poultry waste by Liedl, B E, Bombardiere, J, Chaffield, J M

“…Thermophilic anaerobic treatment of poultry litter produces an effluent stream of digested materials that can be separated into solid and liquid fractions for…”
Get full text

Alternative mRNA Splicing Generates the Two Ribulosebisphosphate Carboxylase/Oxygenase Activase Polypeptides in Spinach and Arabidopsis by Werneke, Jeffrey M., Chatfield, J. Mark, Ogren, William L.

“…Sequence analysis of ribulosebisphosphate carboxylase/oxygenase (rubisco) activase cDNA and genomic clones isolated from spinach and Arabidopsis thaliana…”
Get full text

Purification and assay of Rubisco activase from leaves by Simon P. Robinson, Virginia J. Streusand, Chatfield, J. Mark, Portis, Archie R.

“…Ribulose 1,5-bisphosphate carboxylase/oxygenase (rubisco) activase protein was purified from spinach leaves by ammonium sulfate precipitation and ion exchange…”
Get full text

Proton NMR characterization of isomeric sulfmyoglobins: preparation, interconversion, reactivity patterns, and structural features by Chatfield, Mariann J, La Mar, Gerd N, Kauten, Robert J

“…The preparations of sulfmyoglobin (sulf-Mb) by standard procedures have been found heterogeneous by 1H NMR spectroscopy. Presented here are the results of a…”
Get full text

Cytokinin oxidase from Phaseolus vulgaris callus cultures. Affinity for concanavalin A by Chatfield, J.M, Armstrong, D.J

“…Cytokinin oxidase activity from Phaseolus vulgaris cv Great Northern callus cultures exhibited affinity for the lectin concanavalin A. Over 80% of the activity…”
Get full text

Catalysis of ribulosebisphosphate carboxylase/oxygenase activation by the product of a Rubisco activase cDNA clone expressed in Escherichia coli by Werneke, J.M, Chatfield, J.M, Ogren, W.L

“…Ribulose-1,5-bisphosphate carboxylase/oxygenase (rubisco) activase activity was obtained from a partially purified extract of Escherichia coli transformed with…”
Get full text

Assessing the Effect of Time in Factorial Designs: The Practical Application by Chatfield, M. J., Owen, M. R.

“…The scientist asks a statistician the question: ‘should we incorporate time as a factor in our factorial designs or measure the response at various…”
Get full text

Proton NMR study of the influence of heme vinyl groups on the formation of the isomeric forms of sulfmyoglobin by Chatfield, Mariann J., La Mar, Gerd N., Balch, Alan.L., Smith, Kevin M., Parish, Daniel W., LePage, Teresa J.

“…The formation of sulfmyoglobin has been investigated for myoglobin reconstituted with hemins having vinyls replaced by hydrogens to determine the participation…”
Get full text

Identification of the altered pyrrole in the isomeric sulfmyoglobins: hyperfine shift patterns as indicators of ring saturation in ferric chlorins by Chatfield, Mariann J, La Mar, Gerd N, Smith, Kevin M, Leung, Hiu Kwong, Pandey, Ravindra K

“…Analysis of the 1H NMR hyperfine shift patterns of isomeric sulfmyoglobins is carried out in the met-aquo and met-cyano states to determine the site of…”
Get full text

Heterologous Expression and Characterization of Soybean Cytosolic Ascorbate Peroxidase by Dalton, David A., del Castillo, Leonor Diaz, Kahn, Michael L., Joyner, Shannon L., Chatfield, J.Mark

“…Ascorbate peroxidase is a widespread plant enzyme that catalyzes the removal of potentially harmful H2O2. This enzyme is particularly important in legume root…”
Get full text

Solvent isotope effects on NMR spectral parameters in high-spin ferric hemoproteins: an indirect probe for distal hydrogen bonding by La Mar, G N, Chatfield, M J, Peyton, D H, de Ropp, J S, Smith, W S, Krishnamoorthi, R, Satterlee, J D, Erman, J E

“…The influence of solvent isotope composition on 1H-NMR resonance position and linewidth of heme methyls has been investigated for a variety of high-spin ferric…”
Get more information

1H nuclear magnetic resonance study of the prosthetic group in sulfhemoglobin by Chatfield, M J, La Mar, G N

“…The molecular and electronic structure of the modified prosthetic group of sulfhemoglobin (SHb) was investigated by 1H NMR for the low-spin ferric cyano-met…”
Get more information

Regulation of cytokinin oxidase activity in callus tissues of Phaseolus vulgaris L. cv Great Northern by Chatfield, J.M, Armstrong, D.J

“…The regulation of cytokinin oxidase activity in callus tissues of Phaseolus vulgaris L. cv Great Northern has been examined using an assay based on the…”
Get full text

Cytokinin Oxidase from Phaseolus vulgaris Callus Tissues: Enhanced in vitro Activity of the Enzyme in the Presence of Copper-Imidazole Complexes by Chatfield, J. Mark, Armstrong, Donald J.

“…The effects of metal ions on cytokinin oxidase activity extracted from callus tissues of Phaseolus vulgaris L. cv Great Northern have been examined using an…”
Get full text

Nuclear magnetic resonance study of the molecular and electronic structure of the stable green sulfhemin prosthetic group extracted from sulfmyoglobin by CHATFIELD, M. J, LA MAR, G. N, PARKER, W. O, SMITH, K. M, HIU-KWONG LEUNG, MORRIS, I. K

Get full text

Proton NMR study of the molecular and electronic structure of ferric chlorin complexes: evidence for .pi. bonding by the orbital derived from the porphyrin a1u orbital by Licoccia, Silvia, Chatfield, Mariann J, La Mar, Gerd N, Smith, Kevin M, Mansfield, Kathryn E, Anderson, R. R

Get full text

A new nitrogen-fixing cyanophyte-hepatic association: Nostoc and Porella by Dalton, D.A, Chatfield, J.M

“…Porella navicularis, a common leafy liverwort in western North America, was found to possess numerous epiphytic Nostoc colonies. Although the abundance of…”
Get full text

Identification of the altered pyrrole in sulfmyoglobin and an extractable sulfhemin: participation of the 4-vinyl group in the saturation of the pyrrole in one form of sulfmyoglobin by Chatfield, Mariann J, La Mar, Gerd N, Lecomte, Juliette T. J, Balch, Alan L, Smith, Kevin M, Langry, Kevin C

Get full text

Determination of the chirality of the saturated pyrrole in sulfmyoglobin using the nuclear Overhauser effect by Parker, W. O, Chatfield, Mariann J, La Mar, Gerd N

“…The interproton nuclear Overhauser effect (NOE) and paramagnetic dipolar relaxation rates for hyperfine-shifted resonances in the proton NMR spectra of sperm…”
Get full text